Proteolytic generation of kinins in tissues infected by Trypanosoma cruzi depends on CXC chemokine secretion by macrophages activated via Toll-like 2 receptors.

Abstract excerpt

Previous analysis of the endogenous innate signals that steer T cell-dependent immunity in mice acutely infected by the protozoan Trypanosoma cruzi revealed that bradykinin (BK) or lysyl-BK, i.e., the short-lived peptides excised from plasma-borne kininogens through the activity of cruzipain, induces dendritic cell maturation via BK B(2) receptors (B(2)R). Here, we used the s.c. model of T. cruzi infection to...

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